Finding the Fourth Proportional to 931,615.20, 1,285,764.84 and 523,750.68
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Solution
The fourth proportional to 931,615.20, 1,285,764.84 and 523,750.68 is: 722,852.32
Step by Step Solution
- Step 1: Write the proportion equation
931,615.20 : 1,285,764.84 = 523,750.68 : x - Step 2: Convert to fraction form
931,615.20/1,285,764.84 = 523,750.68/x - Step 3: Cross multiply
931,615.20x = 1,285,764.84 × 523,750.68 - Step 4: Simplify right side
931,615.20x = 673,420,209,270.09 - Step 5: Solve for x
x = 673,420,209,270.09/931,615.20 - Step 6: Final answer
x = 722,852.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.